Submission #1074700

#	Time	Username	Problem	Language	Result	Execution time	Memory
1074700		vnm06	Dungeons Game (IOI21_dungeons)	C++17	37 / 100	7079 ms	411984 KiB

dungeons

#include "dungeons.h"
#include<bits/stdc++.h>

using namespace std;

int N;
vector<int> S, P, W, L;
int vert[7][400005][7];
long long jmp[7][400005][7];
long long gran[7][400005][7];

void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) 
{
	N=n;
	S=s;
	P=p;
	W=w;
	L=l;
	int le=1, ri=15;
	for(int tree=0; tree<7; tree++)
	{
		for(int i=0; i<n; i++)
		{
			if(s[i]<le)
			{
				vert[tree][i][0]=w[i];
				jmp[tree][i][0]=s[i];
				gran[tree][i][0]=ri;
			}
			else if(s[i]>ri)
			{
				vert[tree][i][0]=l[i];
				jmp[tree][i][0]=p[i];
				gran[tree][i][0]=ri;
			}
			else
			{
				vert[tree][i][0]=l[i];
				jmp[tree][i][0]=p[i];
				gran[tree][i][0]=s[i]-1;

			}
		}
		for(int lvl=1; lvl<7; lvl++)
		{
			for(int i=0; i<n; i++)
			{
				vert[tree][i][lvl]=vert[tree][i][lvl-1];
				jmp[tree][i][lvl]=jmp[tree][i][lvl-1];
				gran[tree][i][lvl]=gran[tree][i][lvl-1];
				for(int j=1; j<=15; j++)
				{
					int nv=vert[tree][i][lvl];
					if(nv==n) continue;
					vert[tree][i][lvl]=vert[tree][nv][lvl-1];
					gran[tree][i][lvl]=min(gran[tree][i][lvl], gran[tree][nv][lvl-1]-jmp[tree][i][lvl]);
					jmp[tree][i][lvl]+=jmp[tree][nv][lvl-1];
				}
			}
		}
		le*=16;
		ri=le*16-1;
	}
	return;
}

long long simulate(int x, int z) {
	int v=x;
	long long st=z;
	int tree=0, le=1, ri=15;
	while(v!=N)
	{
		///cout<<v<<" "<<st<<endl;
		while(tree<6 && st>ri)
		{
			le*=16;
			ri=le*16-1;
			tree++;
		}
		for(int lvl=6; lvl>=0; lvl--)
		{
			for(int j=15; j>=0; j--)
			{
				if(st<=gran[tree][v][lvl])
				{
					st+=jmp[tree][v][lvl];
					v=vert[tree][v][lvl];
					if(v==N) break;
				}
				else break;
			}
			if(v==N) break;
		}

		if(v==N) break;
		if(st<S[v])
		{
			st+=P[v];
			v=L[v];
		}
		else
		{
			st+=S[v];
			v=W[v];
		}
	}
	return st;
}

• Subtask 1: 11 / 11
• Subtask 2: 26 / 26
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 27
• Subtask 6: 0 / 11